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lib: sbi: Simplify ipi platform operations

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Instead of having ipi_send() and ipi_clear() callbacks in
platform operations, it will be much simpler for ipi driver
to directly register these operations as a device to sbi_ipi
implementation.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Anup Patel
2021-04-22 10:27:15 +05:30
committed by Anup Patel
parent 559a8f1d3b
commit dc39c7b630
18 changed files with 72 additions and 109 deletions
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18
include/sbi/sbi_ipi.h
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@@ -18,6 +18,18 @@
/* clang-format on */
/** IPI hardware device */
struct sbi_ipi_device {
/** Name of the IPI device */
char name[32];
/** Send IPI to a target HART */
void (*ipi_send)(u32 target_hart);
/** Clear IPI for a target HART */
void (*ipi_clear)(u32 target_hart);
};
struct sbi_scratch;
/** IPI event operations or callbacks */
@@ -63,6 +75,12 @@ int sbi_ipi_send_halt(ulong hmask, ulong hbase);
void sbi_ipi_process(void);
void sbi_ipi_raw_send(u32 target_hart);
const struct sbi_ipi_device *sbi_ipi_get_device(void);
void sbi_ipi_set_device(const struct sbi_ipi_device *dev);
int sbi_ipi_init(struct sbi_scratch *scratch, bool cold_boot);
void sbi_ipi_exit(struct sbi_scratch *scratch);